ZyXEL Communications VMG1312-B Series, User Manual

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VMG1312-B Series User’s Guide
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H A P T E R
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Interface Group
13.1 Overview
By default , all LAN and WAN int erfaces on t he Device are in t he sam e group and can com m unicat e
wit h each ot her. Creat e int erface groups t o have t he Device assign t he I P addresses in different
dom ains t o different groups. Each group act s as an independent net work on t he Device. This let s
devices connect ed t o an int erface group’s LAN int erfaces com m unicat e t hrough t he int erface
group’s WAN or LAN int erfaces but not ot her WAN or LAN int erfaces.
13.1.1 What You Can Do in this Chapter
The I nt e r fa ce Gr ou p screens let you creat e m ult iple net works on t he Device ( Sect ion 13.2 on
page 205 ) .
13.2 The Interface Group Screen
You can m anually add a LAN int erface t o a new group. Alt ernat ively, you can have t he Device
aut om at ically add t he incom ing t raffic and t he LAN int erface on which t raffic is received t o an
int erface group when it s DHCP Vendor I D opt ion inform at ion m at ches one list ed for t he int erface
group.
Use t he LAN screen t o configure t he privat e I P addresses t he DHCP server on t he Device assigns t o
t he client s in t he default and/ or user- defined groups. I f you set t he Device t o assign I P addresses
based on t he client ’s DHCP Vendor I D opt ion inform at ion, you m ust enable DHCP server and
configure LAN TCP/ I P set t ings for bot h t he default and user- defined groups. See
Chapt er 8 on page
139 for m ore inform at ion.